Current and Charge

Protons are particles that orbit around the nucleus

• True

• False

Opposite charges...

• Repel

• Attract

• Remain Neutral

Tags

NGSS.MS-PS2-3

Conductors are materials that allow electric current to pass through them. A good example are metals

• True. Specially silver or copper

• False. A good example is glass

Tags

NGSS.HS-PS1-1

What 'flows' in a wire?

• Protons
• Neutrons
• Atoms
• Electrons

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

The flow/movement of electric charges 

• Voltage
• Resistance 
• Current 
• Circuit 

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Current is measured in....

• Amps 
• Volts
• Ohms
• Coulombs

Tags

NGSS.HS-PS2-5

A current of 0.5 A flows in a circuit. Calculate the charge flowing through the circuit in one minute.

• 0.5 C

• 30 C

• 120 C

A large lightning bolt can carry up to 120000 A and 350 C. Calculate the time for which the current flows. 

• 2.92 s

• 0.0092 s

Tags

NGSS.HS-PS2-5

What is the voltage of a cell if it uses 4.2 J of energy as it pushes 6 C of charge round a circuit?

• 0.7 C

• 26 V

• 0.7 V

• 26 C

Tags

NGSS.HS-PS3-2

How much charge must pass by a point in 10 s for the current to be 0.50 A?

• 0.05C

• 5.0C

• 20C

• 2.0C